Ohajianya, A., Duru, O., Okereke, B., Agbo, E., Abdurrahman, M., & Shehu, M. (2026). Performance Assessment of a Standalone Residential Solar PV System for a 19.8 kWh/day Load: A Comparative Study of Abuja, Beijing, and Washington DC. Journal of Renewable Energy and Smart Grid Technology, 21(2), 289–303. https://doi.org/10.69650/rast.2026.267185